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Class Information
Number: 585/271
Name: Chemistry of hydrocarbon compounds > Adding hydrogen to unsaturated bond of hydrocarbon, i.e., hydrogenation > Partial
Description: Subject matter wherein only part of the unsaturation in a hydrocarbon feed molecule is hydrogenated resulting in an unsaturated product, such as the conversion of butadiene to butene or acetylene to ethylene.

Sub-classes under this class:

Class Number Class Name Patents
585/272 Hydrogen supplied by water or alcohol 15
585/273 Using group viii metal-containing catalyst 127

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8519207 Use of a mixture of an ordered intermetallic compound and an inert material as a catalyst and corresponding hydrogenation processes Aug. 27, 2013
8471082 Process for converting methane to ethylene Jun. 25, 2013
8338654 Hydrogenation process using catalyst comprising ordered intermetallic compound Dec. 25, 2012
8193111 Process or system for desorbing an adsorbent bed Jun. 5, 2012
8067334 Selective hydrogenation catalyst Nov. 29, 2011
8025858 Apparatus and process for light olefin recovery Sep. 27, 2011
8013198 Process for simultaneous production of benzene and ethylene by conversion of acetylene Sep. 6, 2011
8013197 Absorption and conversion of acetylenic compounds Sep. 6, 2011
7947859 Process for production of cycloolefin May. 24, 2011
7919659 Catalyst for cycloolefin production and process for production Apr. 5, 2011
7795166 Functional group-selective hydrogenation catalyst and functional group-selective hydrogenation method Sep. 14, 2010
7670477 Desulphurization process comprising a transformation step and a step for extracting sulphur-containing compounds Mar. 2, 2010
7619125 Hydrogenation promoter, hydrogenation catalyst, and process for producing alkene compound Nov. 17, 2009
7553997 Hydrogenation of olefinic feedstocks Jun. 30, 2009
7514387 Reformer and method of making the same Apr. 7, 2009
7371908 Process for catalytic hydrogenation May. 13, 2008
7355084 Method for hydrogenating organic compounds by means of Ru/SiO.sub.2 catalysts Apr. 8, 2008
7297824 Ni hydrogenation catalysts, manufacture and use Nov. 20, 2007
7273542 Process and apparatus for recovering olefins Sep. 25, 2007
7115790 Method for the production of 1-octene by reductive telomerisation Oct. 3, 2006
7090817 Process for the preparation of hydroxylammonium Aug. 15, 2006
7078130 Metallic mesoporous transition metal oxide molecular sieves, room temperature activation of dinitrogen and ammonia production Jul. 18, 2006
7078577 DihydroDicyclopentadiene production Jul. 18, 2006
6740787 Process for treatment of C4 hydrocarbons that comprise butadiene and acetylene compounds that comprise stages for distillation and selective hydrogenation May. 25, 2004
6693225 Process for hydrogenating cuts containing hydrocarbons, in particular unsaturated molecules containing at least two double bonds or at least one triple bond Feb. 17, 2004
6455023 Metallic catalysts for non-neutral liquid media Sep. 24, 2002
6344593 Continuous preparation of cyclohexene by partial hydrogenation of benzene Feb. 5, 2002
6333441 Preparation of cis--olefins Dec. 25, 2001
6281397 Catalytic composition for the hydrogenation of olefinically unsaturated organic compounds Aug. 28, 2001
6239322 Selective hydrogenation catalysts containing palladium, also tin and/or lead, and the preparation and use thereof May. 29, 2001
5981818 Integrated cracking and olefins derivative process utilizing dilute olefins Nov. 9, 1999
5969202 Method for producing cycloolefin and cycloalkane under controlled pressure Oct. 19, 1999
5898091 Process and plant for the conversion of olefinic C.sub.4 and C.sub.5 cuts to an ether and to propylene Apr. 27, 1999
5866734 Hydrogenation process Feb. 2, 1999
5817901 Selective hydrogenation of hydrocarbon cuts containing monounsaturated and polyunsaturated hydrocarbons Oct. 6, 1998
5777186 Process for hydrogenating benzene in hydrocarbon oils Jul. 7, 1998
5698752 Selective hydrogenation process Dec. 16, 1997
5656761 Method for pretreating a catalyst slurry and a method for the continuous partial hydrogenation of a monocyclic aromatic hydrocarbon by using the pretreated catalyst slurry Aug. 12, 1997
5639927 Process of producing cycloolefin Jun. 17, 1997
5589600 Preparation of cyclohexene by partial hydrogenation of benzene Dec. 31, 1996
5583274 Alkyne hydrogenation process Dec. 10, 1996
5569802 Catalyst, process for the preparation thereof and process for the selective hydrogenation of unsaturated compounds Oct. 29, 1996
5569803 Method for producing a cycloolefin Oct. 29, 1996
5491233 Catalytic asymmetric reduction of trisubstituted olefins Feb. 13, 1996
5475174 Process for the selective hydrogenation of compounds comprising endo and exocyclic unsaturations Dec. 12, 1995
5475173 Hydrogenation process and catalyst therefor Dec. 12, 1995
5475172 Process for fullerene functionalization Dec. 12, 1995
5414171 Process and washed catalyst for partially hydrogenating aromatics to produce cycloolefins May. 9, 1995
5334790 Process and catalyst for partially hydrogenating aromatics to produce cycloolefins Aug. 2, 1994
5300716 Process for the preparation of polyunsaturated olefins Apr. 5, 1994

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